Free GMAT Practice Question

For each of fifteen age groups, the graph shows the customer satisfaction rate reported by shoppers who recently used a certain online retailer's service — that is, the percentage of surveyed shoppers in that age group who said they were satisfied with their shopping experience.

On the basis of this information, select from each drop-down menu the option that creates the most accurate statement.

Across the fifteen age groups, the range of the satisfaction rates is, to the nearest 5 percentage points, --- Select ---50708595.

Between two consecutive age groups, the greatest change in the satisfaction rate is, to the nearest 5 percentage points, --- Select ---25558595.